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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (4 Of 5) >> DTC/Circuit Diagnosis >> DTC P2101: Electric Throttle Control Function >> DTC Description >> Fail-Safe
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DTC Description: Fail-Safe

Engine operating condition in fail-safe mode

Fail safe mode

Vehicle behavior

Device fix mode

  • This mode fixes the EVT control solenoid valve in the reference position.
  • The intake manifold runner control valve motor is turned OFF (intake manifold runner control valve opens).

Others

ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5 degrees) by the return spring.